2015 Cilt 34 Sayı 1-2

Permanent URI for this collectionhttps://hdl.handle.net/11452/14436

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    The effects of supplemental saccharomyces cerevisiae and phytase on growth performances and plasma biochemical parameters of broiler chickens
    (Uludağ Üniversitesi, 2015-03-20) Suzer, Bayram; Altınbaş, Burçin; Seyidoğlu, Nilay; Arıcan, İlker; Orman, Abdulkadir; Yıldız, Hüseyin; Yalçın, Murat; Uludağ Üniversitesi/Veteriner Fakültesi.
    Saccharomyces cerevisiae and phytase can be used as a feed supplement in combination or alone for broiler feeding. An experiment was performed to study the effect of supplemental different ratio S. cerevisiae and phytase combination on growth performances, plasma biochemical parameters and plasma enzyme activities of broiler chickens. Animal were feed ad libitum through the study. Sixty hundred 1 day-old broiler chicks were randomly selected and distributed into eight groups as control (C); phytase (P) (added 200 g Pyhase to 1000 kg of diet); S. cerevisiae (Y1) (added 0.1% S. cerevisiae of the diet); Y1+P (combination of group Y1 and P); S. cerevisiae (Y2) (added 0.2% S. cerevisiae of the diet); Y2+P (Combination of Y2 and P); Y4 (added 0.4% S. cerevisiae of the diet); Y4+P (Combination of Y4 and P) respectively. At the end of the study, blood samples were collected from 15 randomly selected broiler chickens from each group through the brachial vein on the 42nd day of the experiment. Plasma were separated and used for measurement of plasma biochemical parameters and enzyme activities. S.cerevisiae alone and combination of Phytase and S. cerevisiae increased body weight and body weight gain of broiler, especially in 6th week, except in group Y4. Although, the broiler chickens supplemented with just phytase or/and S. cerevisiae and their combination had lower plasma triglyceride, total cholesterol, LDL-cholesterol, glucose, calcium and GGT enzyme activity , they had higher HDL-cholesterol, phosphorus and ALT enzyme. Moreover, supplementation with just phytase or/and S. cerevisiae and their combination did not change the hematocrit, plasma total protein and AST enzyme levels of the broiler chickens. These results demonstrated that phytase and S. cerevisiae alone or/and their combination improved growth performance and body weight gain of the broiler chickens. So, S.cerevisiae and phytase combination may be used as an growth enhancer. However, more studies would be necessary to obtain the effects of supplementing yeast and phytase combination on growth.